参数资料
型号: AD9708ARURL7
厂商: Analog Devices Inc
文件页数: 13/16页
文件大小: 0K
描述: IC DAC 8BIT 100MSPS 28-TSSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
系列: TxDAC®
设置时间: 35ns
位数: 8
数据接口: 并联
转换器数目: 1
电压电源: 模拟和数字
功率耗散(最大): 175mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 带卷 (TR)
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 125M
配用: AD9708-EBZ-ND - BOARD EVAL FOR AD9708
AD9708
–6–
REV. B
Typical AC Characterization Curves
FREQUENCY – MHz
SINAD/THD
dB
70
60
40
0.1
1
100
10
50
65
55
45
THD @ 10MSPS
THD @ 50MSPS
THD
@ 100MSPS
SINAD @ 10MSPS
SINAD @ 100MSPS
SINAD @ 50MSPS
Figure 3. SINAD/THD vs. fOUT (AVDD
and DVDD = 5.0 V)
FREQUENCY – MHz
SINAD/THD
dB
70
60
40
0.1
1
100
10
50
65
55
45
THD @ 10MSPS
THD @ 50MSPS
THD
@ 100MSPS
SINAD @ 10MSPS
SINAD @ 100MSPS
SINAD @ 50MSPS
Figure 6. SINAD/THD vs. fOUT (AVDD
and DVDD = 3.0 V)
fCLOCK = 25MSPS
fOUT = 7.81MHz
SFDR = +60.7dBc
AMPLITUDE = 0dBFS
0
–100
START: 0Hz
STOP: 12.5MHz
10dB
Div
Figure 9. Single-Tone Spectral Plot
@ 25 MSPS
FREQUENCY – MHz
SINAD/THD
dB
70
60
40
0.1
1
100
10
50
65
55
45
THD @ 10MSPS
THD @ 50MSPS
THD
@ 100MSPS
SINAD @ 10MSPS
SINAD @ 100MSPS
SINAD @ 50MSPS
Figure 4. SINAD/THD vs. fOUT (Differ-
ential Output, AVDD and DVDD = 5.0 V)
FREQUENCY – MHz
SINAD/THD
dB
70
60
40
0.1
1
100
10
50
65
55
45
THD
@ 10MSPS
THD
@ 50MSPS
THD @ 100MSPS
SINAD @ 10MSPS
SINAD @ 100MSPS
SINAD @ 50MSPS
Figure 7. SINAD/THD vs. fOUT (Differ-
ential Output, AVDD and DVDD = 3.0 V)
fCLOCK = 125MSPS
fOUT = 27.0MHz
SFDR = +52.7dBc
AMPLITUDE = 0dBc
0
START: 0Hz
STOP: 62.5MHz
–100
10dB
Div
Figure 10. Single-Tone Spectral
Plot @ 125 MSPS
FREQUENCY – MHz
SINAD
dB
55
50
30
1
100
10
40
45
35
IOUTFS = 20mA
IOUTFS = 10mA
IOUTFS = 5mA
IOUTFS = 2.5mA
Figure 5. SINAD vs. IOUTFS
@ 100 MSPS
FREQUENCY – MHz
SINAD
dB
52
50
42
0.1
10
1
46
48
44
IOUTFS = 20mA
IOUTFS = 5mA
IOUTFS = 2.5mA
IOUTFS = 10mA
Figure 8. SINAD vs. IOUTFS
@ 20 MSPS
TIME – 5ns/Div
VOLTS
0.5
0.4
0.3
0.2
0.1
0.0
–0.1
0.6
–0.2
Figure 11. Step Response
(AVDD = +5 V or +3 V, DVDD = +5 V or +3 V, 50
Doubly Terminated Load,
Single-Ended Output, IOUTA, IOUTFS = 20 mA, TA = +25 C, unless otherwise noted)
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